Socket-shell.



A. S. LYHNE.

SOCKET SHELL.

APPLICATION I'ILED J ULY 5, 1910.

Patented Sept. 6,1910.

in v' WITNESSES:

A Tram/Er a snap 'when placed together and turned to invention consists in overlap) -gaging tongues upon the mem members and either raising specification.

'panying drawing formin a section on the line 2-2 in Fig. 1; Fig. 3

locking lug.

UNITED STATES Airline s. nYnNn-or BRIDGEPOBT, connncricu'r.

SOCKET-SHELL.

To all whom it may concern:

Be it known that I, Arr-Kim S. LYHNE a citizen of the United States, residing at Bridgeport, county of Fairfield, State of Connecticut, have invented-an Improvement in Socket-Shells, of which the following is a This invention has for its object to pro vide' means for attaching the bodies to the caps of electric'socket shells, which will reduce the cost of production to the minimum, will enable the members to be easily and quickly attached and detached, will permit engagement of-the members in a plurality of positions and will lock the members with the lockingpositioh. V .Withthese and other objects in view I have devised the simple and novel locking means for the members of socket shells which I will now describe, referring to the accoma part of, this specification and using re erence characters to indicate the several parts. Figure 1 is an elevation on an enlarge scale, partly broken away, the members being locked in the engaging position; Fig. 2

a greatly enlarged detailview illustrating one of .the raiseddocking tongues on the body; Fig. 4 'a similar view illustrating one of the depressed locking tongues on the cap; Fig. 5 a section on the line '5-5 in Fig. 3,- looking in the direction of the arrows; Fig. 6 a section on the line 6+6 in Fig. 4, looking in the direction of thearrows; and Fig. 7 is an enlarged detail view illustrating the 10 denotes the body of a socket shell which is drawn from sheet metal ml is shown as provided with a key slot'll, and 12 the cap. The essential feature of novelty of the ping intercuer-s, which. engage and disengage by rotarymovement of one member relatively to the other and when engaged securely lock the members against longitudinal displacement. The locking; tongues upon the cap are indicated by 13 andthe locking tongues upon the body by 14.' These locking tongues are formed'by cutting angular slots in the metal of the or depressing. the metal inclosed by the angles of the slots to form the tongues which lie substantially parallel with the plane of the member from Specification of Letters Patent. Application filed July 5, 1910. Serial No. 570,228.

Patented which theyare formed and face each other when the members are in position to e'nga' The tongues 13=on the ca three, in t e present instance, areforme by makin an angle slot on the top and left side 0. the tongue and depressing the inclosed metal leaving the ton The correspondingtongues 14 on the .body are formed bymakin an angle slot 'on the bottom andiri'ght si raisin towar the right. To unite the members, the upper endof the body is passed within the cap with the tongues on the cap on the right of the tongues on the. body, thenthe Sept. 1910.

gue pointed toward the left.

e of the tongue and the metal leaving the tonguepointe'd body is turned towardthe right or thcap, 7

rising 'into the'depressions of" the tongues upon the cap. When the parts are in the locking posi tion, the left free edges of the tongues upon the cap will be in engagement with the left attached edges of the tongues upon the body, which will prevent further rotary movement, and the upper free edges of the tongues upon the cap will be in engagement with. the upper raised and attached edges ofthe\ tongues upon the body, so that it will be impossible to detach the parts by longitudinal movement and only by backward 1o tary movement. The tongue upon the body and cap are respectively raised and depressed approximately the thickness of the metal so as to enable the tongues to interlock freely. In the engaged-position, the tongues upon the body merely lie in the dedo not extend above so that the exterior surfaceof the cap when the tongues practicallysmooth as is'shown in Fig. 2.

I It will of course be understood that it is pressions of the tongues upon the cap and the surface of the cap,

are in the engaged position is wholly immaterial whether the locking tongues upon the body are raised and the tongues upon the cap depressed, or vice versa. fIn order to lock the parts against backward. movement relatively to veach other when the tongues are in the locking posi-.-

tion, I provide intermediate the locking tongues upon the-cap locking slots, indicated by 15, and provide a locking lu 16 which is adapted to spring into either oi the locking slots and lock the parts against of the tongues upon the other member to backward rotary movement. lhe locking retain the parts against displacement exlug is shown as formed at the right of the cept by backward movement.

key slot from the metal ordinarily removed 3. Socket shell members having overlapin forming the key slot, just sufiicient metal ping interengagin tongues, the tongues to form the lug being left attached and upon one member being formed by cutting turned outward to engage the locking slot angle slots at the bottom and right sides with a snap when the parts are turned to the of the tongues and the tongues upon the member and the members being locked locking position. To disengage the locking other member being formed by cutting angle lug from a locking slot, the metal of the slots upon the upper and left sides of the body at the right of the key slot is pressed tongues, the free edges of the tongues upon inward by the thumb of the operator to deeach member engaging the attached edges tach the locking lug from the lockin slot, of the tongues on the other member, wherethen one of the parts is turned bac ward by other than backward rotary movement relatively to the other and then the memis prevented. bers may be detached by longitudinal move- 4. Socket shell members having overlapment. ping interengagi'ng tongues, the tongues Having thus described my invention I upon one member eing formed by cutting claim: angle slots at the bottom and right sides of 1. Socket shel members having overlapthe tongues and the tongues upon the other ping interengaging locking tongues facing member being formed by cutting angle slots each other, the tongues upon one member upon the upper and left sides of the tongues, being raised and upon'the other member deone of said members being provided interpressed, the raised tongues upon one memmediate the locking tongues with locking ber lying in the depressions in the other slots and the other member being provided with a locking lug adapted to engage either against detachment except by backward of said slots to ock the members against backward movement.

In testimony whereof I atiix my signature in presence of two witnesses.

movement.

2. Socket shell members having locking tongues formed by cutting angle slots in the metal, said ton ues facing each other and ANKER S. LYHNE. being respective y raised and depressed, the Witnesses: free upper edges of the tongues upon one A. M. Woosrnn,

member engaging the attached upper edges S. W. ATHERTQN. 

